New Peace Walker secrets revealed! Mother Base, AI Weapons, and multi-player elements revealed as METAL GEAR SOLID: PEACE WALKER heads to PSP™ in May… Konami Digital Entertainment GmbH has confirmed new details for its forthcoming METAL GEAR SOLID: PEACE WALKER title for PSP™ (PlayStation®Portable) which will be available on May 27th. The next official chapter in the story of Naked Snake... more.